Ingredient · Updated
Sodium Lauryl Sulfate
Found in 12 productsSee all
Method Antibac All-Purpose Cleaner Citron 
Seventh Generation Liquid Laundry Detergent - Free & Clear - 90 fl oz 
Colgate Cavity Protection Great Regular Flavor Toothpaste 
Tide Original Liquid Laundry Detergent 100 Loads 
Tide EVO Detergent Original Scent 
Tom's of Maine Kid's Natural Fluoride-Free Toothpaste Silly Strawberry 
Colgate Total Active Prevention Toothpaste Fresh Mint 
Crest Pro-Health Clean Mint Toothpaste What is Sodium Lauryl Sulfate?
Sodium Lauryl Sulfate (SLS) is a synthetic detergent derived from coconut or palm oil through a chemical process called sulfonation. It is commonly used in cleaning and personal care products for its ability to create lather and remove oils and dirt.
SLS is primarily used as a surfactant, which means it helps to mix water and oil, making it effective in cleaning products like toothpaste and dishwashing liquids. The ingredient has been scrutinized for potential health effects, with some studies suggesting it may cause skin irritation in sensitive individuals.
When identified on labels, it's important to consider your skin type and any history of sensitivity, especially if the product is used frequently or in large amounts.
Commonly found in: Toothpaste, Dishwasher Detergent, Shampoo, Body Wash, Face Cleanser
What to watch
- Research indicates that SLS can cause skin irritation and dryness with prolonged exposure.
- In some individuals, SLS may exacerbate existing skin conditions such as eczema.
Benefits
- Sodium Lauryl Sulfate is effective at creating foamy lather, which can enhance the consumer experience in products like toothpaste.
Sodium Lauryl Sulfate is approved for use in rinse-off products, and its presence is not restricted but requires appropriate labeling.
While effective as a cleaning agent, studies show varied responses with some evidence of skin irritation, especially in higher concentrations.
Sodium Lauryl Sulfate is typically derived from plant sources and is generally considered vegan-friendly.
Sources: Final Report on the Safety Assessment of Sodium Lauryl Sulfate and Ammonium Lauryl Sulfate
Scout's take
Harsh anionic surfactant responsible for the foaming action. Documented trigger for recurrent aphthous (canker) ulcers in clinical studies (Herlofson & Barkvoll 1996, Healy et al. 1999); strips the protective oral mucin layer; common contact irritant. Cleaner toothpastes use coconut-derived alternatives.
The case against
SLS can cause skin irritation and dryness, especially with prolonged exposure.
from the analysis of Method Antibac All-Purpose Cleaner Citron · echoed in 1 other analysisCan cause skin irritation and dryness due to its harsh nature.
from the analysis of Seventh Generation Liquid Laundry Detergent - Free & Clear - 90 fl ozStrong skin irritant, can cause dryness and irritation.
from the analysis of Tide Original Liquid Laundry Detergent 100 LoadsThe case for
It is effective in removing dirt and grease due to its strong surfactant properties.
from the analysis of Method Antibac All-Purpose Cleaner CitronProvides strong cleaning power by breaking down grease and grime.
from the analysis of Seventh Generation Liquid Laundry Detergent - Free & Clear - 90 fl ozIt is effective at removing oils and dirt from surfaces.
from the analysis of Tide EVO Detergent Original ScentHighly effective in removing dirt and grease.
from the analysis of Tide Original Liquid Laundry Detergent 100 LoadsMore from Scout's analyses
Sodium lauryl sulfate (SLS) is a harsh surfactant known for its strong cleaning power. However, it is also a strong skin irritant and can cause dryness and irritation. Despite being derived from natural sources, it is heavily processed.
from the analysis of Method Antibac All-Purpose Cleaner CitronHarsh anionic surfactant responsible for the foaming action. Documented trigger for recurrent aphthous (canker) ulcers in clinical studies (Herlofson & Barkvoll 1996, Healy et al. 1999); strips the protective oral mucin layer; common contact irritant. Cleaner toothpastes use coconut-derived alternatives.
from the analysis of Colgate Total Active Prevention Toothpaste Fresh MintSodium lauryl sulfate (SLS) is a harsh surfactant known for its strong cleaning power but also for causing skin irritation. It is often criticized for its potential to strip oils from the skin. Despite its effectiveness, its harshness and irritation potential are significant concerns.
from the analysis of Seventh Generation Liquid Laundry Detergent - Free & Clear - 90 fl ozAll 12 products with Sodium Lauryl Sulfate
Where Sodium Lauryl Sulfate shows up
- Toothpaste 8 products
- Laundry 3 products
- Surface Cleaners 1 product
Higher-scoring picks without Sodium Lauryl Sulfate
Products from the same categories whose analyzed ingredient list does not include Sodium Lauryl Sulfate, scoring 80 or above.
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